|
US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 9374-2012: Basic parameters for sound broadcasting receivers
Status: Valid GB/T 9374: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 9374-2012 | English | 419 |
Add to Cart
|
3 days [Need to translate]
|
Basic parameters for sound broadcasting receivers
| Valid |
GB/T 9374-2012
|
| GB/T 9374-1988 | English | 439 |
Add to Cart
|
4 days [Need to translate]
|
Basic parameters for sound broadcasting receivers
| Obsolete |
GB/T 9374-1988
|
PDF similar to GB/T 9374-2012
Basic data | Standard ID | GB/T 9374-2012 (GB/T9374-2012) | | Description (Translated English) | Basic parameters for sound broadcasting receivers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M74 | | Classification of International Standard | 33.160.20 | | Word Count Estimation | 18,162 | | Older Standard (superseded by this standard) | GB/T 9374-1988 | | Quoted Standard | GB/T 2846; GB/T 6163; GB/T 15294-1994; IEC 60315-3 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the basic parameters of sound broadcasting receiver, classification, limit indicators and the corresponding measurement conditions. This standard applies to sound broadcast receivers (hereinafter referred to as radio) and tuner, al | GB/T 9374-2012: Basic parameters for sound broadcasting receivers---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS33.160.20
M74
National Standards of People's Republic of China
Replacing GB/T 9374-1988
Basic parameters for sound broadcasting receivers
Issued on. 2013-06-01 2012-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard replacement GB/T 9374-1988 "sound broadcasting receiver basic parameters."
This standard compared with GB/T 9374-1988, the main changes are as follows.
--- Increasing the foreword;
--- Improve requirements limit indicators, especially in Class A;
--- Reducing the measurement items;
--- Amendments and supplements in Appendix A;
--- Added Appendix B;
--- The revised section references GB/T 15294-1994 "high fidelity FM radio tuners minimum performance requirements" clause and do
The technical amendments.
The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This standard by the national audio, video and multimedia systems and equipment Standardization Committee (SAC/TC242) centralized.
This standard is drafted by. Beijing radio factory.
Units involved in the drafting of this standard. Ministry of Information Industry Institute of Electronics and Standardization, the Ministry of Industry and Information Technology Institute of electro-acoustic TV,
Guangdong Provincial Supervision, Inspection and electrical and electronic products, Electronics Industry Association of Guangdong Province, Dongguan Desheng General Electric Manufacturing Co., Ltd., Zhongshan City
Thai Electronic Industry Co., Ltd. Guangzhou Rui Feng Jianye lighting audio equipment Ltd., Shenzhen Baoan Fen of Industrial Co., Ltd., Shenzhen
Edifier Technology Co., Ltd., Foshan Sanshui good helper Electronic Technology Co., Ltd. Guangzhou silver electronics industry.
The main drafters of this standard. Yuxi Liang.
Participation drafters of this standard. Li Liangyu, LIU Chao-ying, Yu Wen, Li Taizhen, Qijia Kun, Liang Hongfei, WANG Xiang, Liang, Wang Geng, Qiu Minhua, Zeng Dejun,
Lilan Qiang, Gu Yan, Guo Yigang.
This standard replaces the standards previously issued as follows.
--- GB/T 9374-1988.
Basic parameters for sound broadcasting receivers
1 Scope
This standard specifies the basic parameters, classification, limit indicator and the corresponding measurement conditions sound broadcasting receiver.
This standard applies to sound broadcasting receiver (hereinafter referred to as radio) and a tuner, also applies to the radio portion of the tape recorders; but NA
In special models (such as a car radio, etc.) and to sign the agreement and toy radios, does not apply to digital radios.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2846 AM broadcast radio measurement method
GB/T 6163 FM radio receiver measurements
GB/T 15294-1994 high fidelity FM radio tuners minimum performance requirements
Methods of measurement IEC 60315-3 various classes of emission of radio receivers - Part 3. AM sound broadcasting emissions
(Methodsofmeasurementonradioreceiversforvariousclassesofemission-Part 3. Receiversforam-
plitude-modulatedsound-broadcastingemissions)
3 basic parameters of the radio
3.1 AM Radio
Basic parameters and measurement conditions AM radio in Table 1 below.
Table 1 AM radio basic parameters
The basic parameters of the serial number
Measure
unit
Limit Indicator
A Class B Class C
Measurement conditions Description
Frequency Range
Polish
shortwave
kHz
MHz
526.5 - 1606.5
2.3 to 26.1
Measurement frequency. both ends of the frequency range limits
position;
Amplitude modulation. 30%;
Input level. the measured noise limit sensitivity;
Tune Method. maximum output;
Output power. not more than the rated output power
Classification and shortwave band frequency range
Wai can be specified in product standards
Noise limit sensitivity
Magnetic or frame antenna
Or external whip antenna
mV/m
μV
1.0
3.0
6.0
Measurement frequency. three preferred measurement frequency;
Amplitude modulation. 30%;
Tune Method. maximum output;
Output. standard output power;
SNR. 26dB (to modulation)
Equal to or less than 1. The magnetic antenna
140mm Class A machine sensitivity to
Seeking 1.5mV/m;
Less than or equal to 2. The magnetic antenna
55mm C-class machine SNR
20dB;
3. shortwave frequency measurement products
Specified in the standard
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 9374-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 9374-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 9374-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 9374-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 9374-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 9374-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|